Timo Walther created FLINK-4385:
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Summary: Union on Timestamp fields does not work
Key: FLINK-4385
URL: https://issues.apache.org/jira/browse/FLINK-4385
Project: Flink
Issue Type: Bug
Components: Table API & SQL
Reporter: Timo Walther
The following does not work:
{code}
public static class SDF {
public Timestamp t = Timestamp.valueOf("1990-10-10 12:10:10");
}
ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
DataSet<SDF> dataSet1 = env.fromElements(new SDF());
DataSet<SDF> dataSet2 = env.fromElements(new SDF());
BatchTableEnvironment tableEnv = TableEnvironment.getTableEnvironment(env);
tableEnv.registerDataSet( "table0", dataSet1 );
tableEnv.registerDataSet( "table1", dataSet2 );
Table table = tableEnv.sql( "select t from table0 union select t from table1" );
DataSet<Row> d = tableEnv.toDataSet(table, Row.class);
d.print();
{code}
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